tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: b81b1829e7e39f6cebdf6e4d5484eacbceda8554 commit: e0c1b49f5b674cca7b10549c53b3791d0bbc90a8 lib: zstd: Upgrade to latest upstream zstd version 1.4.10 date: 3 months ago config: powerpc-randconfig-r035-20220213 (https://download.01.org/0day-ci/archive/20220213/202202131904.0y0h7bnY-lk...) compiler: powerpc-linux-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout e0c1b49f5b674cca7b10549c53b3791d0bbc90a8 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=powerpc SHELL=/bin/bash drivers/mtd/devices/ lib/zstd/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): lib/zstd/common/entropy_common.c: In function 'HUF_readStats': 257 | } | ^ vim +257 lib/zstd/common/entropy_common.c 242 243 244 /*! HUF_readStats() : 245 Read compact Huffman tree, saved by HUF_writeCTable(). 246 `huffWeight` is destination buffer. 247 `rankStats` is assumed to be a table of at least HUF_TABLELOG_MAX U32. 248 @return : size read from `src` , or an error Code . 249 Note : Needed by HUF_readCTable() and HUF_readDTableX?() . 250 */ 251 size_t HUF_readStats(BYTE* huffWeight, size_t hwSize, U32* rankStats, 252 U32* nbSymbolsPtr, U32* tableLogPtr, 253 const void* src, size_t srcSize) 254 { 255 U32 wksp[HUF_READ_STATS_WORKSPACE_SIZE_U32]; 256 return HUF_readStats_wksp(huffWeight, hwSize, rankStats, nbSymbolsPtr, tableLogPtr, src, srcSize, wksp, sizeof(wksp), /* bmi2 */ 0); 258 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org